Answer:
Option D. 8 units
Step-by-step explanation:
step 1
Find the area of rectangle
The area of rectangle is

step 2
Find the length side of the square with the same area of rectangle
The area of a square is

where
b is the length side of the square
we have

substitute

take the square root both sides

therefore
The length side of the square is 8 units
18n+4.4m I don’t know if this is right but I don’t understand the information you gave me because the numbers are scrambled
3. .5*60 because .5 represents the 5% and "of" stands for multiplication